mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2026-02-13 04:48:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

std: ppoll: cast number of fds to nfds_t

Browse Source 
On some systems, the type of the length of a slice is different from the
nfds_t type, so cast the slice length to nfds_t. This is already done in
poll, so just copy that implementation for ppoll.
This commit is contained in:
Gregory Anders 2021-11-08 07:48:07 -07:00 committed by Andrew Kelley
parent 082072bd4f
commit 3534f8a3ed
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/std/os.zig
View File

@ -5823,7 +5823,8 @@ pub fn ppoll(fds: []pollfd, timeout: ?*const timespec, mask: ?*const sigset_t) P
ts_ptr = &ts;
ts = timeout_ns.*;
}
const rc = system.ppoll(fds.ptr, fds.len, ts_ptr, mask);
const fds_count = math.cast(nfds_t, fds.len) catch return error.SystemResources;
const rc = system.ppoll(fds.ptr, fds_count, ts_ptr, mask);
switch (errno(rc)) {
.SUCCESS => return @intCast(usize, rc),
.FAULT => unreachable,